/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceLandscape.h
[ALandscape](API\Runtime\Landscape\ALandscape) * GetLandscape ( const [FNiagaraSystemInstance](API\Plugins\Niagara\FNiagaraSystemInstance) & SystemInstance, FNDILandscapeData_GameThread & Hint ) const